{"product_id":"oem-lennox-brushless-dc-fan-motor-y8789","title":"OEM Lennox Brushless DC Fan Motor — Y8789","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003eY8789\u003c\/strong\u003e is a brushless DC (ECM) fan motor that provides smooth, variable-speed airflow for your Lennox HVAC system. Its electronically commutated motor design ramps up and down gradually, delivering quieter operation, better humidity control, and lower energy use than conventional PSC motors. Factory-calibrated to work with Lennox control boards, the Y8789 interprets speed and staging signals accurately for consistent comfort.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e Signs of a failing brushless DC motor include the fan spinning up then stopping, running at an incorrect or fixed speed, refusing to start while making a buzzing or clicking noise, weak airflow, or the control board logging a motor communication fault. Intermittent shutdowns and overheating often point to a worn motor or a degraded internal module.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e The Lennox \u003cstrong\u003eY8789\u003c\/strong\u003e is programmed and specified specifically for Lennox equipment, so it fits precisely and communicates properly with the system electronics. Aftermarket ECM motors frequently mismatch the programming or shaft and mount dimensions, causing airflow errors, early failure, or loss of warranty. Installing the authentic OEM motor restores rated efficiency and dependable performance.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081139831155,"sku":"LNX-Y8789","price":99.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-blower-motor-ecm-LNX-Y8789.jpg?v=1783759522","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-brushless-dc-fan-motor-y8789","provider":"National HVAC Parts","version":"1.0","type":"link"}